Find the least fraction, which must be multiplied to (124−12+3616−116+28) to make it an integer.
Options:
A .  241
B .  161
C .  731
D .  173
Answer: Option B : B (124 -12 +3616 -116 +28) =64−12+5416−116+28 Taking LCM of denominators and solving, 24−8+54−1+416=7316 Now, If we multiply 7316 by 161, it becomes 73, which is an integer Hence, 161 is the required fraction.
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